CUSIP to ISIN Converter

Convert CUSIP (Committee on Uniform Securities Identification Procedures) to ISIN (International Securities Identification Number) instantly and for free.

9 characters · Apple Inc.: 037833100

No example? Try 037833100 (Apple Inc.)

How to Convert CUSIP to ISIN

Converting between CUSIP and ISIN identifiers is essential for cross-border trading and compliance. Here's what you need to know:

What is a CUSIP?

CUSIP is a 9-character identifier for North American securities, consisting of a 6-character issuer code, 2-character issue number, and a check digit.

What is a ISIN?

The ISIN is the international standard for identifying securities worldwide. It consists of a 2-letter country code, 9 alphanumeric characters, and a check digit.

How the Conversion Works

Add the country prefix "US" (or "CA" for Canadian securities) before the CUSIP, then calculate and append an ISIN check digit using the Luhn algorithm.

Why Convert CUSIP to ISIN?

  • Cross-border trading between US/Canada and Global markets
  • Regulatory compliance and reporting requirements
  • Portfolio management across multiple exchanges
  • Research and due diligence on international securities

Example CUSIP to ISIN Conversions

Company CUSIP ISIN Exchange
Paychex Inc. 704326107 US7043261079 NASDAQ
Micron Technology 595017104 US5950171042 NASDAQ
Illinois Tool Works 452308109 US4523081093 NYSE
iShares MSCI Emerging Markets 464288281 US4642882819 NYSE
Walmart Inc. 931142103 US9311421039 NYSE
Advanced Micro Devices 007903107 US0079031078 NASDAQ
Sempra 816851109 US8168511090 NYSE
Sysco Corporation 871829107 US8718291078 NYSE